Home / 1,534,185.90-2,300,780.57-724,445.03

Finding the Fourth Proportional to 1,534,185.90, 2,300,780.57 and 724,445.03

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Solution

The fourth proportional to 1,534,185.90, 2,300,780.57 and 724,445.03 is: 1,086,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,185.90 : 2,300,780.57 = 724,445.03 : x
  2. Step 2: Convert to fraction form
    1,534,185.90/2,300,780.57 = 724,445.03/x
  3. Step 3: Cross multiply
    1,534,185.90x = 2,300,780.57 × 724,445.03
  4. Step 4: Simplify right side
    1,534,185.90x = 1,666,789,051,186.79
  5. Step 5: Solve for x
    x = 1,666,789,051,186.79/1,534,185.90
  6. Step 6: Final answer
    x = 1,086,432.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.